Science

Sunday, 26 April 2026
13 facts about tears
13 facts about tears
Multipurpose liquid
Associated with emotions, tears are a product of lacrimal glands, found in the eyes of most terrestrial vertebrates. Although their primary function i ...

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Tears
Crying may help release tension.
Scientists distinguish “good” and “bad” patterns. They suggest that support from other people during ...
Earth
The lithosphere is the outermost covering of the Earth.
It is made of tectonic plates that are constantly moving. Earthquakes may occur in zones where these ...
Brain
Even though it accounts for only 2% of body weight, it uses about 20% of the energy produced by the body.
lava
Magma can escape to the Earth's surface in the form of lava as a result of a volcanic eruption or through a fracture in the Earth's crust, both on land and underwater.
Lava is similar in composition to magma, but is depleted of volatile components. It consists mainly of molten oxides of silicon, iron, sodium, potassium, calcium, and other metals. 
Brain
The brain generates up to 80,000 thoughts a day.
That's over 3,000 thoughts per hour.
Snow
It is highly likely that no two snowflakes exist and have never existed exactly alike.
Snow crystals are almost perfectly symmetrical, although most are irregular in many respects. The ru ...
Graphene
The Catalan Institute of Nanoscience and Nanotechnology has created a modern graphene sensor used in the treatment of epilepsy and Parkinson’s disease.
It records brain activity at frequencies below 0.1 Hz. Tests of brain activity in such ranges provid ...
Amber
It has been used as a gemstone since antiquity.
Once polished, it glistens and resembles a gemstone.
Earth
There are over 7.8 billion people in the world.
It took humanity over 2 million years to reach a population of one billion. In 2011, there were 7 bi ...
Earth
The highest point on Earth is Mount Everest.
The peak is 8848 m above sea level. However, Mount Everest is not the farthest point from the center ...